Sharp 21HT-16CS Servis Kılavuzu - Sayfa 22

TV Sharp 21HT-16CS için çevrimiçi göz atın veya pdf Servis Kılavuzu indirin. Sharp 21HT-16CS 44 sayfaları. Pal secam b/g, d/k system colour television

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Sharp 21HT-16CS Servis Kılavuzu

21HT-15C

21HT-16C
TDA9351(IC801)
PINNING
SYMBOL
P1.3/T1
P1.6/SCL
P1.7/SDA
P2.0/TPWM
P3.0/ADC0
P3.1/ADC1
P3.2/ADC2
P3.3/ADC3
VSSC/P
P0.5
P0.6
VSSA
SECPLL
VP2
DECDIG
PH2LF
PH1LF
GND3
DECBG
(1)
AVL/EWD
VDRB
VDRA
IFIN1
IFIN2
IREF
VSC
TUNERAGC
(1)
AUDEEM/SIFIN1
(1)
DECSDEM/SIFIN2
GND2
(1)
SNDPLL/SIFAGC
AVL/SNDIF/REF0/
(1)
AMOUT
HOUT
FBISO
AUDEXT/
(1)
QSSO/AMOUT
EHTO
PLLIF
IFVO/SVO
VP1
CVBSINT
GND1
CVBS/Y
CHROMA
(1)
AUDOUT /AMOUT
PIN
1
port 1.3 or Counter/Timer 1 input
2
2
port 1.6 or I
C-bus clock line
2
3
port 1.7 or I
C-bus data line
4
port 2.0 or Tuning PWM output
5
port 3.0 or ADC0 input
6
port 3.1 or ADC1 input
7
port 3.2 or ADC2 input
8
port 3.3 or ADC3 input
digital ground for µ-Controller core and periphery
9
10
port 0.5 (8 mA current sinking capability for direct drive of LEDs)
11
port 0.6 (8 mA current sinking capability for direct drive of LEDs)
12
analog ground of Teletext decoder and digital ground of TV-processor
13
SECAM PLL decoupling
nd
14
2
supply voltage TV-processor (+8V)
15
decoupling digital supply of TV-processor
16
phase-2 filter
17
phase-1 filter
18
ground 3 for TV-processor
19
bandgap decoupling
20
Automatic Volume Levelling /East-West drive output
21
vertical drive B output
22
vertical drive A output
23
IF input 1
24
IF input 2
25
reference current input
26
vertical sawtooth capacitor
27
tuner AGC output
28
audio deemphasis or SIF input 1
29
decoupling sound demodulator or SIF input 2
30
ground 2 for TV processor
31
narrow band PLL filter /AGC sound IF
32
Automatic Volume Levelling / sound IF input / subcarrier reference output /AM output
(non controlled)
33
horizontal output
34
flyback input/sandcastle output
35
external audio input /QSS intercarrier out /AM audio output (non controlled)
36
EHT/overvoltage protection input
37
IF-PLL loop filter
38
IF video output / selected CVBS output
39
main supply voltage TV-processor (+8 V)
40
internal CVBS input
41
ground 1 for TV-processor
42
external CVBS/Y input
43
chrominance input (SVHS)
44
audio output /AM audio output (volume controlled)
DESCRIPTION
22